gmat prep 2

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gmat prep 2

by ddm » Thu Sep 04, 2008 2:21 pm
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by parallel_chase » Thu Sep 04, 2008 3:14 pm
is product of certain PAIR is even ?

Statement I

sum of the pair is odd

this means one number is odd and the other is even

Product of any even and odd is always even.

Sufficient.

Statement II

one number is odd and one is even

Therefore the product will always be even.

Sufficient.

Hence D is the answer.